Blue Switch

Blue Switch

For Bluetooth BLE Relay Module

43 ratings
6 reviews
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • August 14, 2017
  • May 26, 2026

Features

Blue Switch screenshot #1 for iPhone
Blue Switch screenshot #2 for iPhone
Blue Switch screenshot #3 for iPhone
Blue Switch screenshot #4 for iPhone
Blue Switch screenshot #5 for iPhone
iphone
ipad
๐Ÿ–ผ๏ธGet Icon
Iconsโ†˜๏ธŽ

About

Control 2, 4, or 8 channel Bluetooth BLE relay modules from your iPhone or iPad. Assign custom names to modules and individual relays for easy identification and management. Enhance security by changing the default password.

โœ“Control 2, 4, or 8 channel relay modules
โœ“Bluetooth BLE connectivity
โœ“Assign custom module aliases
โœ“Assign custom relay aliases
โœ“Change default password for security
โœ“Connect to multiple modules
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What's New in Blue Switch

6.3

May 26, 2026

Bug fixes and improvements

1

In-App Purchases

$17.99

Remove Ads

Completely removes the advertising from the a

User reviews

Truly worthless without paying for it

They say you can use it without paying for it, but instead of switching anything it just plays another ad forever. What a miserable creation.

Against my better judgment, I paid the $15. The app is still completely useless. It will connect to my switch will not switch anything.

Response from developer

Thank you for your feedback. This app only works with a specific module type. The module you are using is not supported by this app. You can find more information on our website.

Rip off

ยฃ15 pounds to make this tiny little app work what a con.

Response from developer

Thank you for your feedback. You can use this app completely free of charge without paying anything. If the ads bother you, you can completely remove the ads with a one-time in-app purchase.

Not much for instructions

Still trying to figure out if it works, how to name switches etc, you pretty much must pay to remove ads if you want to get anything done. They come nonstop.

Response from developer

Thank you for your feedback. Please tap on the text to change the name of the switch.

Hope it works - no joy yet.

But I have confidence. 8 Relay board en route. No luck pairing a 4, yet, with this ap.

Is it possible to configure (on a per board basis) the relays to be interlocking - one at time only - or momentary contact - also called inching - with adjustable contact duration?

Useless

Useless trying to use it unless you pay them to remove the ads

Response from developer

Thank you for your feedback. You can use the app without paying anything. If you are bothered by the advertising, you can remove it with an in-app purchase.

Developer apps

FAQ

Does Blue Switch have ads?

Yes, Blue Switch contains advertisements. This is common for free utility applications that offer in-app purchases for enhanced features or an ad-free experience.

What devices is Blue Switch compatible with?

Blue Switch is compatible with iPhone, iPad, and iPod devices. It requires iOS 4+ and is designed for a wide range of Apple mobile devices.

How do I connect a relay module to Blue Switch?

To connect, ensure you have a compatible 2, 4, or 8 Channel Relay Module Bluetooth BLE. The app then connects via Bluetooth, and you can assign aliases for easy identification.

Can I change the password for my relay module in Blue Switch?

Yes, Blue Switch allows you to change the default password for your relay module. The password must be eight digits long for increased security.

What is the rating for Blue Switch?

Blue Switch has a rating of 3.8 stars based on 43 ratings. This indicates a generally positive but mixed user reception.

How often is Blue Switch updated?

The latest version of Blue Switch is 6.2, last updated on October 2, 2025. This suggests the app is actively maintained and receives regular updates.

Is Blue Switch suitable for younger users?

Blue Switch has an age rating of 4+, making it suitable for younger users under parental supervision. The app's functionality is straightforward for controlling hardware.

Where can I buy the required relay modules for Blue Switch?

The relay modules required for Blue Switch can be ordered at many online shops. You will need to use a search engine to find a suitable retailer for the '2 Channel Relay Module Bluetooth BLE', '4 Channel Relay Module Bluetooth BLE', or '8 Channel Relay Module Bluetooth BLE'.